Climate averages 1991–2020
Campos dos Goytacazes weather
in September.
A warm, moderately wet month: the 8th warmest and the joint 4th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
September is a warm month in Campos dos Goytacazes: daytime highs average 27.1°C and nights cool to about 19.3°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 47 mm of rain on roughly 8 days, which makes September a moderately wet month (the joint 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 57 min on an average September day.
The nearest other city in this atlas is Itaperuna (84 km away). In September its highs average 28.1°C, 1.0°C warmer than Campos dos Goytacazes, with 56 mm of rain.
Among the 448 cities listed in Brazil, Campos dos Goytacazes ranks joint 240th of 448 for the warmest September highs and joint 162nd of 448 for the driest September (rainfall, lowest first). The mean September high of those 448 cities is 27.5°C; Campos dos Goytacazes is 0.4°C cooler than that mean.
From September to October, average highs rise by 0.9°C to 28.0°C, and monthly rainfall rises from 47 mm to 82 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Campos dos Goytacazes climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.4°C23.3°C | 23.3°C | 155 | 13.5 | 13.313 h |
| February | 31.0°C23.5°C | 23.5°C | 83 | 10.2 | 12.813 h |
| March | 29.9°C23.0°C | 23.0°C | 143 | 15.6 | 12.212 h |
| April | 28.4°C21.5°C | 21.5°C | 82 | 12.2 | 11.612 h |
| May | 26.3°C19.2°C | 19.2°C | 47 | 8.6 | 11.111 h |
| June | 25.8°C18.0°C | 18.0°C | 20 | 5.0 | 10.811 h |
| July | 25.5°C17.6°C | 17.6°C | 22 | 5.3 | 10.911 h |
| August | 26.1°C18.0°C | 18.0°C | 21 | 4.9 | 11.411 h |
| September, selected | 27.1°C19.3°C | 19.3°C | 47 | 7.7 | 12.012 h |
| October | 28.0°C20.6°C | 20.6°C | 82 | 10.2 | 12.613 h |
| November | 28.0°C21.3°C | 21.3°C | 169 | 16.0 | 13.113 h |
| December | 29.4°C22.6°C | 22.6°C | 196 | 17.7 | 13.413 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Itaperuna in SeptemberBrazil · 84 kmHigh 28.1°C · Low 17.5°C · 56 mm rain
- Macaé in SeptemberBrazil · 84 kmHigh 25.4°C · Low 19.2°C · 60 mm rain
- Cachoeiro de Itapemirim in SeptemberBrazil · 103 kmHigh 27.2°C · Low 17.8°C · 76 mm rain
- Rio das Ostras in SeptemberBrazil · 107 kmHigh 25.7°C · Low 18.9°C · 73 mm rain
- Muriaé in SeptemberBrazil · 128 kmHigh 27.5°C · Low 17.2°C · 65 mm rain
- Nova Friburgo in SeptemberBrazil · 137 kmHigh 23.8°C · Low 15.2°C · 117 mm rain
- São Pedro da Aldeia in SeptemberBrazil · 145 kmHigh 23.9°C · Low 19.7°C · 56 mm rain
- Cabo Frio in SeptemberBrazil · 145 kmHigh 23.8°C · Low 20.0°C · 47 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Campos dos Goytacazes) is explained once on the Campos dos Goytacazes year overview and on the Sources, method and limits page.